svn commit: r286757 - head/lib/libc/string
Marcelo Araujo
araujo at FreeBSD.org
Fri Aug 14 01:27:31 UTC 2015
Author: araujo
Date: Fri Aug 14 01:27:30 2015
New Revision: 286757
URL: https://svnweb.freebsd.org/changeset/base/286757
Log:
Make clear the bcopy(3) manpage regards when it was marked as LEGACY
as well as when it was removed from POSIX specification.
Reviewed by: theraven, wblock, bapt, rodrigc
Approved by: bapt, rodrigc (mentor)
Differential Revision: D3374
Modified:
head/lib/libc/string/bcopy.3
Modified: head/lib/libc/string/bcopy.3
==============================================================================
--- head/lib/libc/string/bcopy.3 Fri Aug 14 00:19:09 2015 (r286756)
+++ head/lib/libc/string/bcopy.3 Fri Aug 14 01:27:30 2015 (r286757)
@@ -31,7 +31,7 @@
.\" @(#)bcopy.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
-.Dd August 13, 2015
+.Dd August 14, 2015
.Dt BCOPY 3
.Os
.Sh NAME
@@ -57,18 +57,6 @@ The two strings may overlap.
If
.Fa len
is zero, no bytes are copied.
-.Pp
-This function is obsolete (marked as LEGACY in
-POSIX.1-2001): please use
-.Xr memmove 3
-in new programs.
-Note that
-.Fn bcopy
-takes its src and dst arguments in the opposite
-order from
-.Xr memmove 3 .
-POSIX.1-2008 removes the specification of
-.Fn bcopy .
.Sh SEE ALSO
.Xr memccpy 3 ,
.Xr memcpy 3 ,
@@ -87,3 +75,25 @@ before it was moved to
for
.St -p1003.1-2001
compliance.
+.Pp
+The
+.St -p1003.1-2008
+removes the specification of
+.Fn bcopy
+and it is marked as LEGACY in
+.St -p1003.1-2004 .
+New programs should use
+.Xr memmove 3 .
+If the input and output buffer do not overlap, then
+.Xr memcpy 3
+is more efficient.
+Note that
+.Fn bcopy
+takes
+.Ar src
+and
+.Ar dst
+in the opposite order from
+.Fn memmove
+and
+.Fn memcpy .
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